package com.harry.demo2;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;

/**
 * @author Harry
 * @date 2018/3/22 17:39
 */
@Aspect
@Order(5)
@Component
public class WebLogAspect {
	private Logger logger = LogManager.getLogger(getClass());

	ThreadLocal<Long> startTime = new ThreadLocal<>();

	@Pointcut("execution(public * com.harry.demo2..*.*(..))")
	public void webLog() {
	}

	@Before("webLog()")
	public void doBefore(JoinPoint joinPoint) throws Throwable {
		startTime.set(System.currentTimeMillis());

		// 接收到请求，记录请求内容
		ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
		if (attributes != null && attributes.getRequest() != null) {
			HttpServletRequest request = attributes.getRequest();

			// 记录下请求内容
			logger.info("URL : " + request.getRequestURL().toString());
			logger.info("HTTP_METHOD : " + request.getMethod());
			logger.info("IP : " + request.getRemoteAddr());
			logger.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "."
					+ joinPoint.getSignature().getName());
			logger.info("ARGS : " + Arrays.toString(joinPoint.getArgs()));
		}

	}

	@AfterReturning(returning = "ret", pointcut = "webLog()")
	public void doAfterReturning(Object ret) throws Throwable {
		// 处理完请求，返回内容
		logger.info("RESPONSE : " + ret);

		logger.info("SPEND TIME : " + (System.currentTimeMillis() - startTime.get()));
	}

}
